CN212107012U - Anti-aging ball valve with prolonged service life - Google Patents
Anti-aging ball valve with prolonged service life Download PDFInfo
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- CN212107012U CN212107012U CN202020845155.6U CN202020845155U CN212107012U CN 212107012 U CN212107012 U CN 212107012U CN 202020845155 U CN202020845155 U CN 202020845155U CN 212107012 U CN212107012 U CN 212107012U
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- valve rod
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Abstract
The utility model discloses an ageing resistance increase of service life's ball valve, the inner chamber of barrel has inserted the valve gap that cup joints in the valve rod outside, and the annular arch is fixed with the tube-shape rubber membrane body through glue bonding, and the inboard of tube-shape rubber membrane body is fixed with the tube-shape rubber sleeve, and the inboard of tube-shape rubber sleeve is fixed with the rubber seal cover who cup joints in the valve rod outside, and the through-hole has been seted up at the top of annular lid, is equipped with in the pressure chamber to articulate in the spacing sleeve outside and with through-hole assorted movable cover. When the sealing seat leaks, when water is greater than the pressure in the pressure chamber due to pressure, the movable cover is opened, the water enters the pressure chamber through the through hole, and under the pressure extrusion, the cylindrical rubber membrane body pushes the cylindrical rubber sleeve to drive the rubber sealing sleeve to tightly clamp the valve rod, so that the sealing effect of the contact position of the rubber sealing sleeve and the valve rod is improved.
Description
Technical Field
The utility model relates to a ball valve technical field specifically is an ageing resistance increase of service life's ball valve.
Background
The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.
The ball valve can influence the leakproofness of the sealing element due to long-term abrasion of the sealing element after being used for a long time, so that the service life of the ball valve depends on the service life of the sealing element, the service life of the ball valve is shortened, and therefore the ball valve with the ageing resistance and the service life prolonged is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ageing resistance increase of service life's ball valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an anti-aging ball valve with prolonged service life comprises a valve body, wherein a ball body is connected to the inner cavity of the valve body in a ball manner, an inlet and an outlet are respectively formed in two sides of the valve body, a flow guide hole is formed in the outer side of the ball body, a square hole is formed in the top of the ball body, a valve rod is inserted into the square hole, a cylinder body is fixed to the top of the valve body, a valve cover sleeved on the outer side of the valve rod is inserted into the inner cavity of the cylinder body, the top of the valve cover is fixed to the top of the cylinder body through bolts, a pressure chamber is arranged in the valve cover, the bottom of the pressure chamber is connected with an annular cover in a threaded manner, a limiting sleeve sleeved on the outer side of the valve rod is fixed to the inner ring of the annular cover, annular bulges are fixed to the tops of the limiting sleeve and the pressure chamber, the inner side of the cylindrical rubber sleeve is fixedly provided with a rubber sealing sleeve sleeved on the outer side of the valve rod, the top of the annular cover is provided with a through hole, and a movable cover which is hinged on the outer side of the limiting sleeve and matched with the through hole is arranged in the pressure chamber.
Preferably, the top of the valve cover is provided with a groove, a conical sealing sleeve sleeved outside the valve rod is arranged in the groove, the top of the valve cover is fixedly provided with a gland sleeved outside the valve rod through a bolt, and the bottom of the gland is provided with a conical groove matched with the conical sealing sleeve.
Preferably, a bottom cover is coupled to a bottom of the valve body by a bolt, and a fixing shaft inserted into the ball is fixed to a top of the bottom cover.
Preferably, the bottom of the valve rod is provided with a square plug matched with the square hole.
Preferably, a sealing seat connected to the outer side of the ball body in a seamless manner is arranged in the valve body.
Compared with the prior art, the beneficial effects of the utility model are that: when the sealing seat leaks, water flows into the cylinder, when water is greater than the pressure in the pressure chamber due to pressure, the movable cover is opened, water enters the pressure chamber through the through hole, and under the pressure extrusion, the cylindrical rubber film body pushes the cylindrical rubber sleeve to drive the rubber sealing sleeve to tightly clamp the valve rod, so that the sealing effect of the contact position of the rubber sealing sleeve and the valve rod is improved. When the pressure in the pressure chamber is greater than the pressure in the valve body, the movable cover tightly seals the through hole, so that the pressure chamber is kept in a high-pressure state, the tightness of the contact part of the rubber sealing sleeve and the valve rod is kept, the sealing effect is ensured, and the service life of the ball valve is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the valve stem structure of the present invention;
fig. 3 is a schematic view of the valve cover structure of the present invention.
In the figure: 1-a valve body; 2-a sphere; 3-an inlet; 4-an outlet; 5-sealing seat; 6-diversion holes; 7-a cylinder body; 8-valve cover; 9-a pressure chamber; 10-an annular cover; 11-a limit sleeve; 12-an annular projection; 13-a cylindrical rubber membrane body; 14-cylindrical rubber sleeve; 15-rubber sealing sleeve; 16-a removable cover; 17-a through hole; 18-a gland; 19-a groove; 20-a conical sealing sleeve; 21-a tapered slot; 22-a valve stem; 23-square hole; 24-a square plug; 25-a bottom cover; 26-fixed axis.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: an anti-aging ball valve with prolonged service life comprises a valve body 1, wherein a ball body 2 is connected to an inner cavity ball of the valve body 1, an inlet 3 and an outlet 4 are respectively arranged at two sides of the valve body 1, a flow guide hole 6 is arranged at the outer side of the ball body 2, a square hole 23 is arranged at the top of the ball body 2, a valve rod 22 is inserted into the square hole 23, a cylinder body 7 is fixed at the top of the valve body 1, a valve cover 8 which is sleeved at the outer side of the valve rod 22 is inserted into the inner cavity of the cylinder body 7, the top of the valve cover 8 is fixed at the top of the cylinder body 7 through a bolt, a pressure chamber 9 is arranged in the valve cover 8, the bottom of the pressure chamber 9 is in threaded connection with an annular cover 10, a limiting sleeve 11 which is sleeved at the outer side of the valve rod 22 is fixed at the inner ring of the annular cover 10, annular bulges 12 are fixed at the tops of, a cylindrical rubber sleeve 14 is fixed on the inner side of the cylindrical rubber membrane body 13, a rubber sealing sleeve 15 sleeved on the outer side of the valve rod 22 is fixed on the inner side of the cylindrical rubber sleeve 14, a through hole 17 is formed in the top of the annular cover 10, and a movable cover 16 hinged on the outer side of the limiting sleeve 11 and matched with the through hole 17 is arranged in the pressure chamber 9. When the sealing seat 5 of the ball valve leaks, water flows into the cylinder body 7, when water is higher than the pressure in the pressure chamber 9 due to the pressure, the movable cover 16 is opened, the water enters the pressure chamber 9 through the through hole 17, and under the pressure extrusion, the cylindrical rubber film body 13 pushes the cylindrical rubber sleeve 14 to drive the rubber sealing sleeve 15 to tightly clamp the valve rod 22, so that the sealing effect of the contact part of the rubber sealing sleeve 15 and the valve rod 22 is improved. When the pressure in the pressure chamber 9 is greater than the pressure in the valve body 1, the movable cover 16 tightly plugs the through hole 17, so that the pressure chamber 9 is kept in a high-pressure state, the tightness of the contact part of the rubber sealing sleeve 15 and the valve rod 22 is kept, the sealing effect is ensured, and the service life of the ball valve is prolonged.
The top of the valve cover 8 is provided with a groove 19, a conical sealing sleeve 20 sleeved outside a valve rod 22 is arranged in the groove 19, the top of the valve cover 8 is fixedly provided with a gland 18 sleeved outside the valve rod 22 through a bolt, and the bottom of the gland 18 is provided with a conical groove 21 matched with the conical sealing sleeve 20; for sealing between the bonnet 8 and the stem 22.
The bottom of the valve body 1 is connected with a bottom cover 25 through a bolt, and the top of the bottom cover 25 is fixed with a fixed shaft 26 inserted into the ball body 2; so that the ball 2 can rotate on the fixed shaft 26 and prevent the inlet 3, the outlet 4 and the diversion hole 6 from being inconsistent due to the inclination of the ball 2.
The bottom of the valve rod 22 is provided with a square plug 24 matched with the square hole 23; so that the valve stem 22 can bring the ball 2 into rotation.
A sealing seat 5 which is connected to the outer side of the ball body 2 in a seamless manner is arranged in the valve body 1; is used for sealing the gap between the valve body 1 and the ball body 2, and simultaneously, necessary channels among the inlet 3, the outlet 4 and the diversion hole 6 are reserved.
Working principle or structural principle, when using, drive spheroid 2 rotatory through rotatory valve rod 22 for water conservancy diversion hole 6 position changes, when water conservancy diversion hole 6 communicates with each other with import 3 and export 4, rivers can circulate. When the sealing seat 5 leaks, water flows into the cylinder body 7, when the pressure of water is greater than the pressure in the pressure chamber 9, the movable cover 16 is opened, the water enters the pressure chamber 9 through the through hole 17, and under the pressure extrusion, the cylindrical rubber membrane body 13 pushes the cylindrical rubber sleeve 14 to drive the rubber sealing sleeve 15 to tightly clamp the valve rod 22, so that the sealing effect of the contact part of the rubber sealing sleeve 15 and the valve rod 22 is improved. When the pressure in the pressure chamber 9 is greater than the pressure in the valve body 1, the movable cover 16 tightly plugs the through hole 17, so that the pressure chamber 9 is kept in a high-pressure state, the tightness of the contact part of the rubber sealing sleeve 15 and the valve rod 22 is kept, the sealing effect is ensured, and the service life of the ball valve is prolonged. When the ball valve component needs to be maintained and replaced, the valve cover 8 is detached and replaced by detaching the bolt connected between the valve cover 8 and the valve body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an ageing resistance increase of service life's ball valve, includes the valve body, its characterized in that: the ball valve is characterized in that a ball body is connected to an inner cavity ball of the valve body, an inlet and an outlet are respectively formed in two sides of the valve body, a flow guide hole is formed in the outer side of the ball body, a square hole is formed in the top of the ball body, a valve rod is inserted into the square hole, a cylinder body is fixed to the top of the valve body, a valve cover sleeved on the outer side of the valve rod is inserted into an inner cavity of the cylinder body, the top of the valve cover is fixed to the top of the cylinder body through bolts, a pressure chamber is arranged in the valve cover, an annular cover is connected to the bottom of the pressure chamber in a threaded mode, a limiting sleeve sleeved on the outer side of the valve rod is fixed to an inner ring of the annular cover, annular protrusions are fixed to the tops of the limiting sleeve and the pressure chamber, a cylindrical rubber film body is fixedly bonded to the annular protrusions through glue, a, the top of the annular cover is provided with a through hole, and a movable cover which is hinged outside the limiting sleeve and matched with the through hole is arranged in the pressure chamber.
2. The anti-aging extended-life ball valve of claim 1, wherein: the improved valve is characterized in that a groove is formed in the top of the valve cover, a conical sealing sleeve sleeved on the outer side of the valve rod is arranged in the groove, a gland sleeved on the outer side of the valve rod is fixed to the top of the valve cover through a bolt, and a conical groove matched with the conical sealing sleeve is formed in the bottom of the gland.
3. The anti-aging extended-life ball valve of claim 1, wherein: the bottom of the valve body is connected with a bottom cover through a bolt, and a fixed shaft inserted into the ball body is fixed at the top of the bottom cover.
4. The anti-aging extended-life ball valve of claim 1, wherein: the bottom of the valve rod is provided with a square plug matched with the square hole.
5. The anti-aging extended-life ball valve of claim 1, wherein: and a sealing seat which is connected to the outer side of the ball body in a seamless mode is arranged in the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020845155.6U CN212107012U (en) | 2020-05-20 | 2020-05-20 | Anti-aging ball valve with prolonged service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020845155.6U CN212107012U (en) | 2020-05-20 | 2020-05-20 | Anti-aging ball valve with prolonged service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212107012U true CN212107012U (en) | 2020-12-08 |
Family
ID=73623415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020845155.6U Active CN212107012U (en) | 2020-05-20 | 2020-05-20 | Anti-aging ball valve with prolonged service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212107012U (en) |
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2020
- 2020-05-20 CN CN202020845155.6U patent/CN212107012U/en active Active
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